HALLADOR ENERGY COMPANY COM is a security (CUSIP 40609P955) tracked across SEC portfolio filings. 4 institutional managers reported $9.9M on Form 13F as of 2026-03-31.
| Manager | Location | Value | Shares |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $6.6M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $2.0M | — |
| IMC-Chicago, LLC | CHICAGO, IL | $1.3M | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |